<?php

namespace App\Http\Middleware;

use Closure;
use Illuminate\Http\Request;

class XSS
{
    /**
     * Handle an incoming request.
     *
     * @param  \Illuminate\Http\Request  $request
     * @param  \Closure(\Illuminate\Http\Request): (\Illuminate\Http\Response|\Illuminate\Http\RedirectResponse)  $next
     * @return \Illuminate\Http\Response|\Illuminate\Http\RedirectResponse
     */
    public function handle(Request $request, Closure$next)
    {
        $input = $request->post();

        array_walk_recursive($input,function(&$input, $key) {
            if($key == 'content' || $key == 'tag1_content' || $key == 'tag2_content'){
                $input = htmlspecialchars($input);
            }else{
                $input = strip_tags($input);
            }
        });
        $request->merge($input);
        return $next($request);
    }
}
